Aeotec by Aeon Labs ZW112 ZW112-A Door/Window Sensor 6, Small, White Best designed sensor; impossibly thin at 0.35" in depth. Paintable so that it blends in with your door or window's color and looks invisible. Upgradeable product firmware. Compatible with certified Z-Wave gateways including Control4, HomeSeer, Indigo, SmartThings, and Vera. Z-Wave Plus certified. Certification number ZC10-16010006.